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Headaches And Your Eyes
Headaches And Your Eyes On occasion headaches occur because of an eye problem. When you suffer from a headache it is a natural assumption that your head pain is somehow associated with your eyes. In truth this is not usually the case. Most headaches are due to tension poor neck posture sinus trouble high blood pressure or a spasm of the blood vessels as in a migraine headache. Very rarely headaches can turn out to have a serious cause such as a brain tumor or aneurysm but these are almost always...

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Headaches: Causes and Cures
Introduction Headaches can strike at anyone, at any age, at any time. They are quite common; in fact, they are the most commonly cited reason for visiting a physician. Headaches are not only painful, they are the leading cause for absence for work or school, and contribute significantly to lost productivity. Contrary to what most people believe, the pain of a headache is not in the brain tissue; the brain has no pain sensors. The pain of a headache comes from the blood vessels th...

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Heidelberg Retina Tomograph (HRT)
Most people equate the eye disease called glaucoma with high eye pressure. It is important to understand that glaucoma is not simply a disease of high intra-ocular pressure, but rather, a more complex disease of the optic nerve. In the early stages of glaucoma there are no symptoms and understandably any condition that lacks symptoms has great potential risk. In glaucoma the vision conductive rim of the optic nerve, called the nerve-fiber layer, is gradually damaged resulting in a le...

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Heidelberg Retina Tomograph: Better Information, Better Control of Glaucoma
Introduction Glaucoma is an eye disease most commonly characterized by increased pressure within the eye, known as intraocular pressure (IOP). While increased pressure is one important clinical sign, glaucoma is more complex than a simple measure of pressure. Instead, it is helpful to consider glaucoma as a disease affecting the optic nerve and all the individual retinal nerve fibers that comprise it. In the early stages, glaucoma has no symptoms and often goes undiagnosed and untrea...

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Herpes Simplex Keratitis
"Herpes Simplex (HS) Keratitis" is an infection affecting the front of the "cornea", the dome-shaped structure at the front of the eye. The infective agent is "Herpes Simplex Virus (HSV)", which is the same virus that causes cold sores and fever blisters in and around the mouth and nose. It has been estimated that 85% to 95% of the adult population harbors the virus, although it usually lies dormant in a nerve that supplies the eye and skin. HS Keratitis can be activated or triggered by a...

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High Blood Pressure and How it Effects Vision
High blood pressure, known medically as hypertension, can cause many different complications in the body, including changes in the circulation within the eye. Hypertension is often called “the silent killer” because there are usually no outward signs or symptoms that would alert an individual to its presence. The pressure within the blood vessels must be enough that all bodily tissues have uncompromised circulation. However, when blood pressure becomes too high...

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Hispanic Descent and Serious Eye Disease
People of Hispanic descent have higher risk for serious eye disease, according to a study at the University of Southern California’s Keck School of Medicine, published recently, and the Los Angeles Latino Eye Study (LALES), funded by the US National Eye Institute (NEI). Serious eye disease, including glaucoma and cataracts, can cause of visual impairment but complications from diabetes and high blood pressure were also found to be significant factors for vision loss. In addition, la...

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How does LASIK Work?
Cool rays of light from the Excimer Laser reshapes the inner tissue of the cornea with up to .25 microns of accuracy. In order for light to focus more clearly on the retina the outer window of the eye and the cornea must be of the proper curvature. After your eye has been numbed with "eye drop" anesthesia an eyelid speculum will be positioned to hold your eyelids open. The microkeratome is used to create a protective flap that is folded back. Cool rays of light from the Excimer Laser then ...

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How to Choose the Perfect Frames
Although eyeglass styles vary from year to year there is a standard set of principles that can help you select the perfect frames. Besides serving a primary function of allowing people to see clearly eyeglasses also allow wearers to express their sense of fashion. Although eyeglass styles vary from year to year there is a standard set of principles that can help you select the perfect frames. These guidelines work mostly according to the shape of your face but they also consider your eye col...

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How to Insert or Remove Your Contact Lens
Most contact lens wearers laughingly remember struggling in front of a mirror the first time they tried to insert or remove their lenses. As they soon learned inserting contact lenses follows the old saying - with practice comes perfect. For everyone from first time contact lens wearer to experienced contact users here are a few helpful tips to show you how to properly insert and remove your contact lenses: Checking if your soft or disposable contact lens is right side out.     ...

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How to Take Care of Your New Spectacles
Cleaning and Maintenance of Your Spectacles Today s advanced lens materials and coatings are used to maximize vision clarity as well as extend the life of your lenses. How you take care of them will determine the life and quality of the product. Cleaning your lenses is a daily exercise that requires the use of proper products and methods to maximize the life of the lenses. Always wet your lenses before cleaning. Do s Use proper eyeglass lens cleaner liberally on both sides of the lens ...

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Hyperopia and Farsightedness
The medical term for farsightedness or longsightedness is "hyperopia". "Hypermetropia", an older term, is not used much today. Hyperopia (hi-per-OH-pee-uh) is a common condition that affects about ten percent of the adult population, worldwide. Interestingly, the percentage of the global population with hyperopia is decreasing overall, because myopia (nearsightedness) is increasing as education increases, along with the amount of reading and computer use. Hyperopia causes difficulty in fo...

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